[Qemu-devel] [PATCH 01/35] tcg-s390: Adjust compilation flags.

[Richard Henderson <rth@twiddle.net>]

Force -m31/-m64 based on s390/s390x target.

Force -march=z990.  The TCG backend will always require the
long-displacement facility, so the compiler may as well make
use of that as well.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 configure |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/configure b/configure
index 653c8d2..65f87a2 100755
--- a/configure
+++ b/configure
@@ -697,7 +697,12 @@ case "$cpu" in
            fi
            ;;
     s390)
-           QEMU_CFLAGS="-march=z900 $QEMU_CFLAGS"
+           QEMU_CFLAGS="-m31 -march=z990 $QEMU_CFLAGS"
+           LDFLAGS="-m31 $LDFLAGS"
+           ;;
+    s390x)
+           QEMU_CFLAGS="-m64 -march=z990 $QEMU_CFLAGS"
+           LDFLAGS="-m64 $LDFLAGS"
            ;;
     i386)
            QEMU_CFLAGS="-m32 $QEMU_CFLAGS"
-- 
1.7.0.1